1 decontamination and decommissioning of radiologically- contaminated facilities itrc technical and...
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Decontamination and Decommissioning of Radiologically-
Contaminated Facilities
ITRC Technical and Regulatory Guidance Document: Decontamination and Decommissioning of Radiologically
Contaminated Facilities (RAD-5, 2008)
Welcome – Thanks for joining us.ITRC’s Internet-based Training Program
Sponsored by: Interstate Technology and Regulatory Council (www.itrcweb.org) Hosted by: US EPA Clean Up Information Network (www.cluin.org)
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Housekeeping
Course time is 2¼ hours Phone line participants
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ITRC Disclaimer and Copyright
Although the information in this ITRC training is believed to be reliable and accurate, the training and all material set forth within are provided without warranties of any kind, either express or implied, including but not limited to warranties of the accuracy, currency, or completeness of information contained in the training or the suitability of the information contained in the training for any particular purpose. ITRC recommends consulting applicable standards, laws, regulations, suppliers of materials, and material safety data sheets for information concerning safety and health risks and precautions and compliance with then-applicable laws and regulations. ECOS, ERIS, and ITRC shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising out of the use of any information, apparatus, method, or process discussed in ITRC training, including claims for damages arising out of any conflict between this the training and any laws, regulations, and/or ordinances. ECOS, ERIS, and ITRC do not endorse or recommend the use of, nor do they attempt to determine the merits of, any specific technology or technology provider through ITRC training or publication of guidancedocuments or any other ITRC document.
Copyright 2010 Interstate Technology & Regulatory Council, 444 North Capitol Street, NW, Suite 445, Washington, DC 20001
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4ITRC (www.itrcweb.org) – Shaping the Future of Regulatory Acceptance
Host organization Network
• State regulators All 50 states, PR, DC
• Federal partners
• ITRC Industry Affiliates Program
• Academia• Community stakeholders
Wide variety of topics
• Technologies
• Approaches
• Contaminants
• Sites Products
• Technical and regulatory guidance documents
• Internet-based and classroom training
DOE DOD EPA
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5ITRC Course Topics Planned for 2010 – More information at www.itrcweb.org
Decision Framework for Applying Attenuation Processes to Metals and Radionuclides
LNAPL Part 3: Evaluating LNAPL Remedial Technologies for Achieving Project Goals
Mining Waste Remediation Risk
Management: An Approach to Effective Remedial Decisions and More Protective Cleanups
Decontamination and Decommissioning of Radiologically-Contaminated Facilities
Enhanced Attenuation of Chlorinated Organics In Situ Bioremediation of Chlorinated Ethene -
DNAPL Source Zones LNAPL Part 1: An Improved Understanding of
LNAPL Behavior in the Subsurface LNAPL Part 2: LNAPL Characterization and
Recoverability Perchlorate Remediation Technologies Performance-based Environmental Management Phytotechnologies Protocol for Use of Five Passive Samplers Quality Consideration for Munitions Response Survey of Munitions Response Technologies Determination/Application of
Risk-Based Values Use of Risk Assessment in
Management of Contaminated Sites
New in 2010Popular courses from 2009
ITRC 2-day Classroom Training: Vapor Intrusion Pathway
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Meet the ITRC Instructors
Robert StormsTDEC/DOE-OOak Ridge, [email protected]
Ann CharlesNew Jersey Dept.
of Environmental Protection
Trenton, New Jersey609-984-9752ann.charles@
dep.state.nj.us
Rose WeissmanKleinfelderNewburgh, New York845-567-6530rweissman@
kleinfelder.com
Stuart WalkerU.S. EPAWashington, D.C.703-548-5300walker.stuart@
epa.gov
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ITRC Radionuclides Team
Facilitate the cleanup of radioactively contaminated federal facilities
Fostering dialogue between states,stakeholders, federal agencies
Increase awareness of issues andprocedures at sites in other states
Encourage regulatory cooperation Share technological successes and approaches Current state members
• Colorado, New Jersey, Ohio, Tennessee, Washington
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ITRC Radionuclides Team Products
Guidance Documents and Internet-based training
Details available in Links page at end of presentation or directly at www.itrcweb.org
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Why We Are Here Today...
Discuss regulatory environment for decontamination and decommissioning (D&D)
Explain factors in implementing D&D Describe available tools for D&D
• Technologies
• Online risk calculators Share accumulated D&D
operational experience
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Who Will Benefit from This Training...
Regulators• States • U.S. Environmental Protection
Agency (EPA)• Nuclear Regulatory Commission
(NRC) Site owners/operators
• DOE sites• DoD sites• Commercial reactors• Medical research facilities dealing
with Rads Contractors and consultants Community stakeholders
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Presentation Overview
Module 1: Introduction and Regulatory Basis for D&D
Module 2: Factors for Implementing D&D
Module 3: Preliminary Remediation Goal (PRG) Calculators
Module 4: Case Studies and Lessons Learned
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MODULE 1MODULE 1:
Introduction and Regulatory Basis for D&D
Decontamination and Decommissioning of Radiologically-
Contaminated Facilities
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13Module 1: Introduction and Regulatory Basis for D&D
In this module, you will learn about• Definitions
• Types of facilities undergoing decontamination and decommissioning (D&D)
• Process outline
• Regulatory organizations
• D&D under the Atomic Energy Act
• D&D under CERCLA
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Definitions
Decontamination
Decommissioning
Deactivation, demolition, dismantlement
D&D activities at Rocky Flats Site, CO
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15Radioactive Waste Management Definitions
High-level waste Transuranic waste Low-level waste Mixed waste Special case waste Naturally occurring radioactive material (NORM) Technologically enhanced naturally occurring
radioactive material (TENORM)
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16Radioactive Waste Management: Mixed Waste
Mixed waste contains both radioactive and hazardous waste
Regulatory framework• Hazardous waste regulated by EPA or authorized
states under Resource Conservation Recovery Act (RCRA)
• Radioactive waste regulated by NRC or DOE under Atomic Energy Act (AEA)
• EPA has regulatory authority to address radionuclides under CERCLA for onsite responses
Waste handlers need to comply with both RCRA and AEA regulations
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Types of Facilities Undergoing D&D
Federal government • Approximately 20,000 nuclear weapons research
and development facilities• > 80 EPA National Priorities List sites with
radiological contamination Commercial nuclear energy industry
• Approximately 100 nuclear power reactors and 250 research reactors
Thousands of licensed commercial facilities • Medical, pharmaceutical, research
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D&D Process Outline
1. Planning D&D of the facility• Future land use ? Cleanup levels ?
2. Performing D&D of the facility• Modifications to the remediation plan?
3. Closure / transfer of the facility • Long-term surveillance and maintenance ?
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Regulatory Organizations
Nuclear Regulatory Commission (NRC) Department of Energy (DOE) Environmental Protection Agency (EPA) Defense Nuclear Facilities Safety Board
(DNFSB)
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20Regulatory Organizations - Agreement States
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21D&D Requirements under the Atomic Energy Act – DOE
Real Property Asset Management, Order 430.1B Implementation guides Program and Project Management for the
Acquisition of Capital Assets, Order 413.3
Operational ReadinessReview (ORR)
Workers treating radioactive sludge at Hanford Site, following ORR
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22D&D Requirements under the Atomic Energy Act – NRC
Dose-based radiological criteria for license termination
Standard Review Plan for Evaluating Nuclear Power Reactor License Termination Plans (NUREG-1700)
Consolidated DecommissioningGuidance (NUREG-1757)
Agreement States
Susquehanna, PA power reactor
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23Decommissioning Process under the Atomic Energy Act – DOE and NRC
Deactivation Decontamination Dismantlement Demolition Surveillance and
maintenance
Rocky Flats Site before D&D activities
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24Decommissioning Paths under the Atomic Energy Act – DOE
End State = vision for the site at the end of the cleanup effort
Reflects planned future land use Protective consistent
with that land use Iterative process
Rocky Flats Site post-D&D
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25Decommissioning Paths under the Atomic Energy Act – NRC
DECON SAFSTOR ENTOMB
Entombed reactor at Piqua, OH
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D&D Requirements under CERCLA
CERCLA and the National Contingency Plan (NCP)
• Release or threat of release
EPA - DOE Joint Policy, 1995
EPA - NRC Memorandum ofUnderstanding, 2002
Risk based cleanup levels
Hanford Site before remedial and D&D activities
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D&D Process under CERCLA
Remedial sequence
• National Priorities List (NPL)• Remedial Investigation
Feasibility Study • Record of Decision • Remedial Design
Remedial Action • Long Term Surveillance
and Maintenance
• Deletion from NPL Short-term response actions
Remedial activities at Hanford Site
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D&D Paths under CERCLA
Acceptable risk level depends on reasonably anticipated future land use
Institutional controls• Legal controls
Engineering controls• Physical controls
Restricted land use requires periodic reviews to ensure remedy remains protective
Evaluating ecological effects
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29Module 1: Introduction and Regulatory Basis for D&D – Recap
Definitions Types of facilities undergoing D&D Process outline Regulatory organizations D&D under the Atomic Energy Act D&D under CERCLA
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MODULE 2MODULE 2:
Factors for Implementing D&D
Decontamination and Decommissioning of Radiologically-
Contaminated Facilities
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31Module 2: Factors for Implementing D&D – Outline
Cost/Program Management
Technology
Health and Safety
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Cost/Program Management
Major cost elements in a D&D project• D&D Plan development
• Removal of equipment from the structures
• Construction and operation of support facilities
• Decontamination and/or removal of empty structures
• Waste management
• Contracting and project management
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Cost/PM - D&D Plan Development
Prior to D&D, need to have • Detailed planning
• Order of events
• D&D plan
• Documents Financial considerations Future use of a facility
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Removal of Equipment and Materials
Active surveillance and monitoring (S&M) program needed until the contamination is controlled or contained
Decisions – segregation/decontamination Economics of reuse
• Best to use existing buildings as support facilities for personnel and operations
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Waste Management
Large quantities Characterization Aggressive waste minimization
efforts• Decontamination
Bottlenecks
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Project Management Considerations
Requires management structure that is• Streamlined
• Orderly
• Responsive
• Focused on safety and cost containment Many lessons can be learned
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Technology
Technologies presented are• Readily available
• Have been used for D&D Selection is representative not comprehensive Technologies are not endorsed by ITRC
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Types of Technology
Site Characterization/ Verification Sampling
Decontamination Contamination
Control Cutting and Sizing Solids Removal Liquids Removal
Robotics Large Structure
Demolition Waste Sampling for
Disposition Packaging and
Transportation Work Monitoring
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39Technologies Highlighted in this Presentation
Horizontal Directional Drilling (HDD) and Environmental Measurement While Drilling (EMWD)
Hydrolasing Chemical Decontamination Radioactive Tank Cleaning System Polyurethane Foam
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40 Horizontal Directional Drilling (HDD) and Environmental Measurement While Drilling (EMWD)
Environmental sampling using HDD at Building 865 at Rocky Flats.
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Hydrolasing
Hydrolase System at work at Rocky Flats Site, Colorado removing contaminated paint and underlying surface contamination
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Chemical Decontamination
A scrub brush is used during the second phase of the decontamination process
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Radioactive Tank Cleaning System
Workers introduce the remote-controlled track vehicle that will remove sludge from a waste tank at Rocky Flats.
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Polyurethane Foam
Spraying structural foam into waste containers such as cargo containers allows waste to be transported safely with no load shifting, tipping or sliding resulting in no damage to the transport container.
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Additional Technologies
Bioremediation of Oils/Water Plasma Arc Cutting Ultra High Pressure Water Jet – Cutting Remote In-situ Size Reduction Raschig Ring Vacuum System Vac & Ship System Harmonic Delamination
Just a few you will find in the Radionuclides Team’s Technical/Regulatory Guidance, Decontamination and Decommissioning of Radiologically-Contaminated Facilities (RAD-5, 2008)
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Health and Safety
Addressed by a complex set of technical and managerial practices
Radiological risks Many non-radiological risks Occupational Safety and Health Administration
(OSHA) regulations State occupational safety and health program
regulations Careful, systematic planning Much accumulated experience
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47Radiological and Non-Radiological Hazards
Radiological hazards• External exposure• Ingestion and inhalation• Criticality• Breach of containment
Non-radiological hazards• Fire• Explosions• Toxic materials• Electrical and physical hazards
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Health and Safety Plan
1. Regulatory Framework
2. Key Personnel
3. Hazard Assessment
4. Training Requirements
5. Personal Protective Equipment
6. Extreme Temperature Disorders or Conditions
7. Medical Surveillance
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Health and Safety Plan (continued)
8. Exposure Monitoring/Air Sampling
9. Site Control
10. Decontamination
11. Emergency Response/Contingency Plan Background
12. Emergency Action Plan
13. Confined Space Entry
14. Spill Containment
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50Integrated Safety Management - DOE Approach
ISM defined by continuous five-step process• Define the scope of work
• Analyze the hazards
• Develop and implement hazard controls
• Perform work within controls
• Provide feedback and continuous improvement
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51Integrated Safety Management – Eight Guiding Principles
1. Line management responsibility for safety
2. Clear roles and responsibilities
3. Competence commensurate with responsibilities
4. Balanced priorities
5. Identification of safety standards/requirements
6. Hazard controls tailored to work performed
7. Operations authorization
8. Worker involvement
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52Module 2: Factors for Implementing D&D – Conclusions/Wrap-up
Cost Technology Health & Safety
Land Use / Social Values Risk
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53
Questions & Answers
Module 1: Introduction and Regulatory Basis for D&D
Module 2: Factors for Implementing D&D
Question and Answer Break
Module 3: Preliminary Remediation Goal (PRG) Calculators
Module 4: Case Studies and Lessons Learned
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54
MODULE 3MODULE 3:
EPA CERCLA Preliminary Remediation Goal (PRG) Calculators for
Decontamination and Decommissioning
Decontamination and Decommissioning of Radiologically-
Contaminated Facilities
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55EPA CERCLA PRG Calculatorsfor D&D
PRGs for the Superfund program are• Concentrations based on Applicable or Relevant
and Appropriate Requirements (ARARs)
• Risk-based concentrations, derived from equations combining standardized exposure assumptions with EPA toxicity data
PRGs are not de facto cleanup standards and should not be applied as such
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56
What are Risk-Based PRGs?
They are contaminant levels considered by the EPA to be protective for humans (including most sensitive groups), over a lifetime.
PRGs role in site "screening" is to help identify areas, contaminants, and conditions that do not require further attention at a particular site.
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57Recommended Approach for Developing PRGs
Identify PRGs at scoping Modify them as needed at the end of the
Remedial Investigation (RI) or during the Feasibility Study (FS) based on site-specific information from the baseline risk assessment, and
Ultimately select remediation levels in the Record of Decision (ROD)
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58Buildings – BPRG Calculator for Radionuclides
Preliminary Remediation Goals for Radionuclides in Buildings (BPRG) calculator• http://epa-bprg.ornl.gov/
Establish 1 x 10-6 risk based PRGs• For inside radioactively contaminated buildings
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59Outside Surfaces – SPRG Calculator for Radionuclides
Preliminary Remediation Goals for Radionuclides in Outside Surfaces (SPRG) calculator• http://epa-sprg.ornl.gov/
Establish 1 x 10-6 risk based PRGs • For radioactively contaminated outside hard
surfaces
• For example, slabs, pavement, sidewalks, and sides off buildings
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60BPRG and SPRG Calculators for Radionuclides
Based on the carcinogenicity (risk-based) of the analytes• In general, only uranium is considered significant
for non-carcinogenic toxicity Quantities expressed
• In units of activity (e.g., pCi)
• In addition to units of mass (e.g., mg) for volumetric contamination
Does not address non-human health endpoints such as ecological impacts
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61
Calculating Radionuclide PRGs
These two calculation tools provide the ability to• Generate generic PRGs based on standard default
exposure parameters
• Modify the standard default exposure parameters to calculate site-specific PRGs
In order to set PRGs in a site-specific context, we need• Information on the radionuclides that are present onsite
• Specific contaminated media
• Land-use assumptions
• Assumptions behind pathways of individual exposure
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62 Preliminary Remediation Goals for Radionuclides in Buildings (BPRG): Risk-based Calculation
http://epa-bprg.ornl.gov/
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63BPRG Rad Calculator –Risk-Based BPRG Selection
1) Please select Building’s PRGs and analytes you wish to search:
Residential Commercial/Industrial: Indoor Worker
2) Please select desired units option: pCi/g Bq/g
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64BPRG Rad Calculator –Risk-Based BPRG Selection
3) Radionuclides4) Get Default BPRGs Calculate Site-specific BPRGs
5) You must select one of the following output options:
View on Screen Tab delimited file
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65
Settled Dust BPRG Calculation
Total Risk from Settled Dust
= Risk from Direct Ingestion of radionuclides in dust (SFo X intake from direct ingestion of dust)
+ Risk from External Radiation from gamma-emitting of radionuclides in dust (SFe X concentration of gamma-emitting radionuclides in dust)
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66Settled Dust – ResidentialExposure Routes
Dust
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67Residential Settled Dust BPRG Equation
Where:
TR - target risk level (unitless)
t - time/duration over which the radionuclide decays (years)
Lambda (λ) - defined as 0.693/radionuclide half life
ED - exposure duration (years)
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68BPRG Settled Dust Parameters That May be Modified
TR – target excess individual lifetime cancer risk (unitless)
ED – exposure duration (yr) t – duration of radionuclide decay (yr) IF - age-adjusted dust ingestion factor (cm2-yr/day) EF - exposure frequency (days per 365 days)
(unitless) ET – exposure time (hr/day) Fin - fraction of time the receptor spends indoors
(unitless)
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69BPRG Settled Dust Parameters That May be Modified (continued)
Fi – fraction of time the receptor spends in compartment (unitless)
K – dissipation rate (years-1) FAM – area and material factor (unitless)
FOFF-SET – off-set factor (unitless) FTSS – fraction transferred from surfaces to skin
(unitless) SE – saliva extraction factor (unitless) SA – surface area of fingers (cm2) FQ – frequency of hand to mouth (events/hour)
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70
Ambient Air BPRG Calculation
Total Risk from Ambient Air
= Risk from Inhalation of radionuclides in air (SFi X inhalation of volatiles and suspended particulates)
+ Risk from External Radiation from gamma-emitting of radionuclides in air (SFe X concentration of gamma-emitting radionuclides in air)
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71Ambient Air – Indoor WorkerExposure Routes
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72Residential Ambient Air BPRG Equation:
Additional Parameters that may be modified
• GSF – gamma shielding factor (unitless)
• IR – inhalation rate (m3/day)
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733-D Direct External Exposure BPRG Calculation
Total risk from 3-D Direct External Exposure
= Risk from external radiation from gamma-emitting radionuclides(SFe X Concentration of gamma-emitting radionuclides in or on walls, ceiling, and floor)
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743-D Direct External – ResidentialRoutes of Exposure
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75Residential 3-D Direct External Exposure BPRG Equation
Additional Parameters that may be modified
• Select room size – 5 room size choices (ft wall x ft wall x ft ceiling)
• Select room position – 4 choices for location of receptor in room
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76 Preliminary Remediation Goals for Radionuclides in Outside Surfaces (SPRG): Risk-based Calculation
http://epa-sprg.ornl.gov/
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77SPRG Rad Calculator –Risk-Based SPRG Selection
1) Please select Surface’s PRGs and analytes you wish to search:
Residential Indoor Worker Outdoor Worker
2) Please select desired units option: pCi/g Bq/g
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78SPRG Rad Calculator –Risk-Based SPRG Selection
3) Radionuclides4) Get Default SPRGs Calculate State-specific SPRGs Calculate Site-specific SPRGs
5) You must select one of the following output options:
View on Screen Tab delimited file
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79Particulate Emission Factor – Wind Driven
City (Climatic Zone) As (acres) B (dispersion constant) unitless Q/C (inverse of the mean conc. at the center of a 0.5-acre-
square source) g/m2-s per k g/m3 V (fraction of vegetative cover) unitless Um (mean annual windspeed) m/s Ut (equivalent threshold value of windspeed at 7 m) m/s F(x) (function dependent on Um/Ut) unitless
(Needed for Contamination on Surfaces for Residential, Outdoor Worker, and/or Indoor Worker land uses)
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80U.S. Climatic Zones for Calculating Particulate Emission Factor
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81Particulate Emission Factor – Mechanically Driven
(Needed for Contamination on Surfaces for Residential, Outdoor Worker, and/or Indoor Worker land uses) This is equation for default for Paved Public Roads.
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82Particulate Emission Factor – Mechanically Driven (continued)
Q/C (inverse of the mean conc. at the center of a 0.5-acre-square source) g/m2-s per k g/m3
LR (length of road segment) ft WR (width of road segment) ft s (road surface silt content) % Mdry (road surface material moisture content under dry,
uncontrolled conditions) % p (number of days per year with at least 0.01 inches of
precipitation km/trip trips/day days/week weeks/yr
(Needed for Contamination on Surfaces for Residential, Outdoor Worker, and/or Indoor Worker land uses)
Unique Parameter for Dirt Roads Speed of Vehicle
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83Particulate Emission Factor – Mechanically Driven (continued)
State-specific Select a state Select a geographic setting (urban or rural) Select a roadway class (6 choices)
orSite-specific # of cars # of trucks Tons of cars Tons of trucks
(Needed for Contamination on Surfaces for Residential, Outdoor Worker, and/or Indoor Worker land uses)
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84Contamination on Surfaces SPRG Calculation
Total Risk from Contamination on Surfaces
= Risk from Direct Ingestion of radionuclides in dust(SFo X intake from direct ingestion of dust)
+ Risk from External Radiation from gamma-emitting of radionuclides in dust (SFe X concentration of gamma-emitting radionuclides in dust)
+ Risk from Wind Blown Dust Inhalation (SFi X inhalation of volatiles and suspended particulates)
+ Risk from Mechanically Resuspended Dust Inhalation (SFi X inhalation of volatiles and suspended particulates)
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85Contamination on Surfaces – ResidentialRoutes of Exposure
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86Residential Contamination on Surfaces SPRG Equation
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873-D Direct External Exposure SPRG Calculation
Total Risk from 3-D Direct External Exposure
= Risk from External Radiation from gamma-emitting of radionuclides in dust (SFe X concentration of gamma-emitting radionuclides in dust)
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883-D Direct External Exposure – Worker Routes of Exposure
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89Residential 3-D Direct External Exposure SPRG Equation
Unique Parameters that may be modified
• Select a building size – 5 building height choices (ft)
• Select a sidewalk/street position – 3 choices for location of receptor on sidewalk or street
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902-D Direct External Exposure SPRG Calculation
Total Risk from 2-D Direct External Exposure
= Risk from External Radiation from gamma-emitting of radionuclides in dust (SFe X concentration of gamma-emitting radionuclides in dust)
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912-D Direct External Exposure – Indoor Worker Routes of Exposure
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92Residential 2-D Direct External Exposure SPRG Equation
Unique Parameters that may be modified:
• Select a slab size – 8 slab size choices (square meters)
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93Dose Compliance Concentrations for Radionuclides in Buildings (BDCCs)
http://epa-bdcc.ornl.gov/
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94Dose Compliance Concentrations for Radionuclides in Outside Surfaces (SDCCs)
http://epa-sdcc.ornl.gov/
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95Variations between ARAR Dose Calculators and Risk Calculators
ARAR Dose Calculator computes a Target Dose Limit using Dose Conversion Factors (DCFs) instead of Slope Factors (or sometimes inhalation unit risk in inhalation scenario)• Dose = (DCF) X (radionuclide concentration in air) X
(breathing rate) X (exposure duration) ARAR Dose Calculator uses same basic equations for
back-calculating a BPRG/SPRG from an ARAR dose limit• Dose limit = DCF X Concentration of Radionuclides in media
(BPRG/SPRG) X Exposure
• BPRG/SPRG = Dose limit/(DCF X Exposure)
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96
Decontamination and Decommissioning of Radiologically-
Contaminated Facilities
MODULE 4MODULE 4:
Case Studies and Lessons Learned
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97Module 4: Case Studies and Lessons Learned
Fernald Environmental Management Project
East Tennessee Technology Park
Radium Chemical Company, Inc.
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98Fernald Environmental Management Project, Ohio
History
Operations
Challenges
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99Fernald Environmental Management Project, OhioConsent Agreement and ROD
Five operable areas• Four considered “source” areas
• One “environmental media” area
ROD allowed for on-site
and off-site disposal
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100Fernald Environmental Management Project, OhioSite-Specific Challenges
Shutdown status Presence of inventoried wastes Nature of contaminants
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101Fernald Environmental Management Project, Ohio Lessons Learned
Visual acceptance criteria Implosion Demolition practices Stormwater and waste water
controls Dust and erosion controls
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102Fernald Environmental Management Project, Ohio End State
October 2006 completion
On-going groundwater remediation
Perpetual surveillance and maintenance
Wildlife habitats restored
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103East Tennessee Technology Park,Tennessee
►History
►Operations
►Challenges
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104East Tennessee Technology Park,Tennessee
ETTP Three-Building D&D and Recycle Project• Building K-29
• Building K-31
• Building K-33
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105East Tennessee Technology Park, Tennessee Site-Specific Challenges
Shutdown status Presence of inventoried wastes Regulatory changes Nature of contaminants
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106East Tennessee Technology Park, Tennessee Lessons Learned
Direct contract management for D&D, safety, security and project oversight
Supercompaction Facility Waste management procedures Regulatory and policy changes from DOE Continuous presence of technical team Project scheduling
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107East Tennessee Technology Park, Tennessee End State
“Reindustrialization” project Heritage Center
• 125 buildings available for industrial tenants Horizon Center
• 1,000-acre Greenfield site Plans to release to the public
sector in 2010
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108Radium Chemical Company, Inc., New York
History
Operations
Challenges
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109Radium Chemical Co., NY Site-Specific Challenges
Sensitive receptors
Quantity of material
Nature of material
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110Radium Chemical Co., NY Immediate Actions
Placed on National Priorities List US EPA mobilized for removal actions
• Radioactive needles/tubes
• Non-rad wastes, flammables, poisons, chemicals and rad-contaminated debris/tools
• Elemental mercury
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111Radium Chemical Company, Inc., NY End State
Deleted from NPL in 1995 Disposal of multiple waste streams including
• 812 tons rad contaminated soil and debris
• 92 tons mixed wastes
• 500 lbs of elemental mercury
• 45 tons elemental lead
• 20 tons structural steel Property released for unrestricted use after
demolition complete
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112
Case Study Lessons Learned
Proper planning prevents poor performance
Keep things real(time)
Manage your waste
Keep things safe
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113
Presentation Wrap Up
Module 1: Introduction and Regulatory Basis for D&D
Module 2: Factors for Implementing D&D
Module 3: Preliminary Remediation Goal (PRG) Calculators
Module 4: Case Studies and Lessons Learned
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114
Thank You for Participating
2nd question and answer break
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